We have narrowed down a list of 5 best Glock 23 light upgrades you can buy right now.

There are much more powerful lights with increased lumen and candela for better target identification and durability.

Best Glock 23 Light Products

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Streamlight TLR 1 HL - Best Overall

glock 17 with lapg sliderail xwl

The Streamlight TLR 1 is the most widely used pistol duty light on the market. It's durable, easy to use and affordable. This is the light that many police officers on duty carry in their holsters.

Easy and Tactile Toggle Switches - Very easy to activation the light even when wearing gloves in the winter

Replaceable Lens Bezel - If the lens break during force on force training, just replace the front instead of the entire thing

Strobe Mode Added - Fast rate strobe light can disorientate a threat to gain tactical advantages


  • 1000 Lumens
  • 15000 Candela
  • 2 CR123A Batteries
  • 4.18 oz
  • 3.39 in
  • IPX7


  • Very affordable 
  • Duty grade light
  • High lumen & candela output
  • Easy to mount and demount
  • Easy to toggle switches for one handed use


  • All good things to say
surefire x300u vs streamlight tlr 1 hl

The Surefire X300U light is very similar to the Streamlight TLR 1 HL for the Glock 23

Strobe Mode Added - Blinds threats

Slide Always In Battery - The light bezel passes Glock 23's barrel to use as support to prevent the slide from getting out of battery during point blank surface contact engagement

Balanced Throw & Spill - You get the hot spot and wide illumination to see far and PID targets around

Mounts Directly To The Rail- Fits all full size and compact Glock frames

Built To Last - Same durability as the original Surefire X300U


  • 1000 Lumens
  • 11300 Candela
  • 2 CR123A Batteries
  • 4.8 oz
  • 3.7 in
  • IPX7

See detailed Surefire XH30 reviews


  • Duty grade light
  • Very wide flood beam
  • Easy to mount and demount
  • Strobe mode added that X300U doesn't feature


  • Stiff control switches
  • Too long to carry in a holster

Olight PL Pro - Best For Training

olight pl ro vs streamlight tlr 1 hl side by side

The Olight PL Pro's USB is very cost effective for high volume low light training at home, thanks to the rechargeable battery design. It has a similar length as the TLR 1 HL without sticking out past the muzzle too much.

High Lumen - Very powerful illumination just like the ones we have recommended above

QD Lever Mount - Mount it on Glock 23 rail frame without tool

Positive Control - Very positive activation control switch even when wearing gloves

Unlimited Battery - Saves money on buying batteries, and use the light as much as you want and just charge it via a USB cord


  • 300 - 1500 Lumens
  • 19600 Candela
  • USB Rechargeable Batteries
  • 3.25 oz
  • 1.44 in
  • IPX6

See detailed Olight PL PRO reviews


  • Recharge any time - huge savings on batteries
  • Easy to mount and demount
  • Very bright light beam for training


  • Two button press required for strobe
  • Not duty use
streamlight tlr 7a beam pattern drone shot

Streamlight TLR 7A Flex is the best compact pistol light for Glock 23 and other conversions. It sits flush with the muzzle for faster in and out of holster performance.

Super Light Weight - Lightweight and slick looking for a compact Glock 23 

Bright Light Beam  - Lit up all around you in a CQB environment

See All Around You - See up to 30 - 40 yards in low light and not miss a thing from your 9 - 3 O' clock positions.

Great For CCW - Great light length profile for Glock 23 compact frame

Responsive Ambi Control - Works For Lefties & Righties

(Sold Separately ) Laser - Try the TLR8AG with the laser aiming capability as best Glock 23 light laser combo setup


  • 500 Lumens
  • 5000 Candela
  • 1 CR123A Batteries
  • 2.40 oz
  • 2.58 in
  • IPX7

See more TLR 7A review here


  • Performs the same as TLR 7A but smaller
  • Non snag profile for CCW


  • Strobe mode requires manual activation